CN220661153U

CN220661153U - Pipeline perforating tool

Info

Publication number: CN220661153U
Application number: CN202322402249.2U
Authority: CN
Inventors: 苏伟; 张海华; 周豪宸; 罗建华; 卓勇刚; 赵一锋; 张华�; 林川; 宋宇晓; 牟立
Original assignee: Ad Co ltd
Current assignee: Ad Co ltd
Priority date: 2023-09-05
Filing date: 2023-09-05
Publication date: 2024-03-26
Anticipated expiration: 2033-09-05

Abstract

The utility model provides a pipeline perforating tool, and belongs to the technical field of pipeline construction. The plastic pipeline solves the problem that the existing plastic pipeline is inconvenient to open the branch. This pipeline trompil instrument, including the drilling sword, the bottom of drilling sword has the upper end and seals and be the section of thick bamboo portion of boring, and the roof of boring section of thick bamboo portion is the back taper form, the top of drilling sword is provided with the cutter arbor, and the cover is equipped with the sealing cap on the cutter arbor and is provided with the seal structure who is used for sealing its junction between the two, and through rotating the cutter arbor so that boring section of thick bamboo portion can reciprocate for the sealing cap. The utility model has the advantage that the branch is arranged on the existing plastic conveying pipeline more conveniently.

Description

Pipeline perforating tool

Technical Field

The utility model belongs to the technical field of pipeline construction, and relates to a pipeline perforating tool.

Background

Along with the wide application and continuous development of the plastic conveying pipeline in the gas industry, the number of the branch circuits on the paved and operated plastic conveying pipeline is also continuously increased, and the existing branch circuit opening method is as follows: firstly, stopping the air of a plastic conveying pipeline, then digging out the whole pipeline, cutting off the plastic conveying pipeline at a position where a branch is required to be opened, installing a three-way pipe fitting (namely a three-way joint) at a fracture, and then connecting the branch pipeline to the three-way pipe fitting, wherein the existing method for opening the branch has the following defects: the influence range of the gas interruption is large, the economic loss is large, and the whole pipeline is required to be dug out during construction, so that the construction is very troublesome.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a pipeline perforating tool. The utility model aims to solve the technical problem of how to enable the branch to be opened on the existing plastic conveying pipeline more conveniently.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a pipeline trompil instrument, includes the drilling sword, its characterized in that, the bottom of drilling sword has the upper end and seals and be the section of thick bamboo portion of boring, and the roof of boring section of thick bamboo portion is the back taper form, the top of drilling sword is provided with the cutter arbor, and the cover is equipped with the seal cap and is provided with the seal structure who is used for sealing its junction between the two on the cutter arbor, and through rotating the cutter arbor so that boring section of thick bamboo portion can reciprocate for the seal cap.

During construction, the pipeline perforating tool and the three-way pipe fitting are assembled, and particularly, the connecting part used for being electrically connected with the pipeline is integrally formed on the lower port of the three-way pipe fitting, the sealing cap is arranged at the upper port of the three-way pipe fitting and used for sealing the port, the drilling tool is arranged in the three-way pipe fitting, the sealing structure plays a role in sealing the connecting part of the cutter bar and the sealing cap, then the connecting part of the three-way pipe fitting provided with the pipeline perforating tool is electrically connected with the pipeline, the three-way pipe fitting is kept on the pipeline, the connecting position of the three-way pipe fitting and the pipeline is the position where a branch is required to be opened, then the cutter bar of the drilling tool is rotated to enable the drilling part to move towards the lower port of the three-way pipe fitting, after the drilling part is contacted with the pipeline, the rotating force of the cutter bar is gradually increased until the pipeline is perforated, the reverse operation is performed after the perforating is completed, the pipeline perforating tool is taken down from the three-way pipe fitting, and finally the side port of the three-way pipe fitting is used for connecting a new conveying pipeline. In addition, because the bore of drilling sword brill section of thick bamboo portion is less, so can be with the trompil pressure control of taking the compression molding material pipeline in a certain limit, avoid the trompil big, lead to taking the compression molding material pipeline pressure too big and burst, this pipeline trompil instrument has realized the trompil of plastics pipeline under the operation state is pressed in the area promptly, need not dig out whole pipeline in the work progress, only need expose the position that needs to set up the branch road can, the trompil in-process does not stop gas, gas leakage does not take place, the trompil torsion is little, efficient, can reduce the trompil failure rate by a wide margin, thereby it is more convenient to make to set up the branch road on current plastics pipeline.

In the above-mentioned pipeline trompil instrument, seal structure is including setting up at the sealing cap top and being the guiding cylinder of tube-shape and cover in proper order from top to bottom establishes the closing plate and the sealed pad on the cutter arbor, clearance fit between closing plate and the cutter arbor, interference fit between sealed pad and the cutter arbor, the inner wall of guiding cylinder has annular step portion, and annular step portion presses closing plate and sealed pad on the sealing cap. The annular step part of the guide cylinder presses the sealing plate and the sealing gasket against the sealing cap, and the cutter bar guide part is required to move in the guide cylinder, so that the sealing gasket can not be well pressed against the annular step part on the inner wall of the guide cylinder, the pressing range of the annular step part can be expanded by additionally arranging the sealing plate, and meanwhile, the sealing plate can not be completely pressed against the sealing gasket, so that the sealing gasket and the cutter bar interference fit part can have elasticity which expands outwards to a certain extent, and the sealing plate is required to be in clearance fit with the cutter bar so as to meet the requirement of the cutter bar on up-down movement.

In the pipe perforating tool, the cutter bar is provided with the guide part and the handle convenient to rotate, the outer wall of the guide part is provided with the external thread, and the inner wall of the guide cylinder is provided with the internal thread matched with the external thread of the guide part. The external thread of the outer wall of the guide part and the internal thread of the inner wall of the guide cylinder are designed by adopting fine threads, so that the torsion of the hole is reduced during the hole opening, the guide part of the drilling tool bar can rotate relative to the guide cylinder and move downwards or upwards simultaneously by continuously rotating the handle (the specific downwards or upwards movement depends on the direction of the rotating handle, the guide part moves downwards relative to the guide cylinder when the handle is rotated clockwise, and the guide part moves upwards relative to the guide cylinder when the handle is rotated anticlockwise), and the guide cylinder can play a role in guiding the up-down movement of the guide part.

In the above pipe perforating tool, the inner wall of the sealing cap is provided with an internal thread and a sealing ring, and the sealing ring is located above the internal thread. The outer wall of port is provided with the external screw thread on the tee bend pipe fitting for sealing cap and tee bend pipe fitting threaded connection, thereby can make things convenient for the dismouting of this pipeline trompil instrument, and the sealing washer can increase the gas tightness, avoids the junction between them to take place the gas leakage, and further, the inner wall of port is provided with interior plug bush on the tee bend pipe fitting, drilling sword and interior plug bush remove the direction along the length direction of tool post and cooperate, and interior plug bush can play the removal direction effect to the drilling sword, and the upper and lower shift position that makes the drilling sword is more accurate.

In the above-mentioned pipeline tapping tool, the drilling tool has the mounting groove, and the mounting groove sets up relatively from top to bottom with the inner chamber of boring section of thick bamboo portion, the cutter arbor of drilling tool inserts and establishes on the groove diapire of mounting groove, the cutter arbor of drilling tool is provided with jump ring and is located jump ring top and has the adapter sleeve of flange, and adapter sleeve and the cell wall threaded connection of mounting groove and the flange butt of adapter sleeve are on the notch border of mounting groove. The structure enables the drilling tool and the cutter bar to be detachably connected, and meanwhile, the drilling tool and the cutter bar after being connected are firmer and more stable, so that the pipeline perforating tool can be conveniently disassembled and assembled.

In the above pipe perforating tool, the bottom end of the drill barrel is provided with a plurality of saw-tooth-shaped blade blocks, the opening of the drill barrel is reduced by the blade blocks, and the thickness of the blade blocks is gradually reduced from one end to the other end. The drilling sword cuts the trompil through the rotation of cutting edge piece to the pipeline that is located its downside, and a plurality of cutting edge pieces that are the zigzag are preferably evenly arranged in proper order around the axis of cutter arbor for the drilling sword is also even smooth to the cutting of pipeline, makes the trompil process more steady, the thickness of cutting edge piece is along circumference taper and towards the inner wall of boring section of thick bamboo portion, makes the cutting edge piece have inward inclination, like this at the trompil in-process cutting edge and pipeline area of contact diminish, and trompil torsion is also littleer, and simultaneously, pipeline bits are banded during the trompil, do not have the piece, are favorable to the cleaning in the pipeline. In addition, the cutting edge block makes the opening part of the drilling barrel part be reduced, so that the drilling barrel part is of a small-opening inner large structure, pipeline scraps in the process of opening holes can be limited in the inner cavity of the drilling barrel part after the holes are formed, the scraps are prevented from falling into the pipeline after the holes are formed, the pipeline is blocked, the pipeline can be kept clean after the hole opening operation is completed, and the safe operation of a pipe network is facilitated.

In the pipe perforating tool, the inclined column grooves are formed between two adjacent blade blocks. The inclined column groove reduces the contact area of the cutting edge block and the pipeline during the hole opening, so that the pipeline scraps are in a strip shape during the hole opening of the cutting edge block, the hole opening torsion is reduced, and the inclined column groove has a guiding effect on the produced pipeline scraps, so that the pipeline scraps produced during the hole opening can slide into the inner cavity of the drill cylinder part, and the cleanliness of the hole opening operation is improved.

Compared with the prior art, the pipeline tapping tool has the advantages that: this pipeline trompil instrument has realized the trompil of plastics pipeline under the operation state under pressure, need not to dig out whole pipeline in the work progress, does not stop gas in the trompil process, does not take place the gas leakage, and trompil torsion is little, efficient, can reduce the trompil failure rate by a wide margin, can keep clean in the pipeline after the trompil operation is accomplished for it is more convenient to offer the branch road on current plastics pipeline.

Drawings

Fig. 1 is a schematic perspective view of the pipe perforating tool.

Fig. 2 is a schematic view of a partial perspective structure of the drilling tool and the cutter bar of the pipe perforating tool.

Fig. 3 is a schematic perspective view of the pipe perforating tool in use.

Fig. 4 is a cross-sectional view of the present pipe perforating tool in use.

Fig. 5 is a partial enlarged view at a in fig. 4.

In the figure, 1, a pipeline; 2. a three-way pipe fitting; 2a, upper port; 2b, a lower port; 2c, side ports; 2d, a connecting part; 3. a sealing cap; 4. a drilling tool; 4a, a drill barrel part; 4a1, blade block; 4a2, diagonal column grooves; 4b, a mounting groove; 5. a cutter bar; 5a, a guide part; 6. a sealing structure; 6a, a guide cylinder; 6a1, annular step portion; 6b, sealing plates; 6c, a sealing gasket; 7. a handle; 8. an inner sleeve; 9. clamping springs; 10. connecting sleeves; 10a, flanges; 11. and (3) sealing rings.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

1-5, including drilling sword 4, drilling sword 4's bottom has the closed and tubular brill section of thick bamboo portion 4a in upper end, and brill section of thick bamboo portion 4 a's roof is the back taper form, drilling sword 4's top is provided with cutter arbor 5, and the cover is equipped with sealed cap 3 on the cutter arbor 5 and is provided with the seal structure 6 that is used for sealing its junction between the two, and through rotating cutter arbor 5 so that brill section of thick bamboo portion 4a can reciprocate for sealed cap 3.

Referring to fig. 1, 2, 3, 4 and 5, specifically, the sealing structure 6 includes a guiding cylinder 6a disposed at the top of the sealing cap 3 and having a cylindrical shape, and a sealing plate 6b and a sealing pad 6c sequentially sleeved on the cutter rod 5, the sealing plate 6b is in clearance fit with the cutter rod 5, the sealing pad 6c is in interference fit with the cutter rod 5, an annular step portion 6a1 is disposed on an inner wall of the guiding cylinder 6a, and the annular step portion 6a1 presses the sealing plate 6b and the sealing pad 6c against the sealing cap 3.

Referring to fig. 1, 2, 4 and 5, specifically, the bottom end of the drill barrel portion 4a is provided with a plurality of saw-tooth-shaped blade blocks 4a1, the blade blocks 4a1 make the opening of the drill barrel portion 4a in a reduced shape, and the thickness of the blade blocks 4a1 is gradually reduced from one end to the other end; a diagonal column groove 4a2 is arranged between two adjacent blade blocks 4a 1.

In this embodiment, the cutter bar 5 is preferably provided with a guiding portion 5a and a handle 7 that is convenient to rotate, an external thread is provided on an outer wall of the guiding portion 5a, and an internal thread adapted to the external thread of the guiding portion 5a is provided on an inner wall of the guiding cylinder 6 a.

Referring to fig. 4 and 5, further, the inner wall of the sealing cap 3 is provided with an internal thread and a sealing ring 11, and the sealing ring 11 is located above the internal thread. In addition, an inner plug bush 8 is further arranged on the inner wall of the upper port 2a of the three-way pipe fitting 2, and the drilling tool 4 and the inner plug bush 8 are in moving guiding fit along the length direction of the tool bar 5.

Referring to fig. 4 and 5, further, the drilling tool 4 has a mounting groove 4b, the mounting groove 4b is disposed opposite to the inner cavity of the drilling barrel 4a, the tool bar 5 of the drilling tool 4 is inserted on the bottom wall of the mounting groove 4b, the tool bar 5 of the drilling tool 4 is provided with a clamp spring 9 and a connecting sleeve 10 located above the clamp spring 9 and having a flange 10a, the connecting sleeve 10 is in threaded connection with the groove wall of the mounting groove 4b, and the flange 10a of the connecting sleeve 10 abuts against the edge of the groove opening of the mounting groove 4 b.

During construction, the tee pipe fitting 2 is prepared, the connecting part 2d for electrically fusing connection with the pipeline 1 is integrally formed on the lower port 2b of the tee pipe fitting 2, then the guide cylinder 6a, the sealing plate 6b and the sealing pad 6c are sequentially sleeved on the cutter rod 5, then the cutter rod 5 is arranged on the sealing cap 3 in a penetrating mode, then the inner plug bush 8 is sleeved on the drilling cutter 4 and connects the drilling cutter 4 with the cutter rod 5, then the drilling cutter 4 stretches into the upper port 2a of the tee pipe fitting 2 and connects the inner plug bush 8 with the inner wall of the upper port 2a, then the sealing cap 3 is connected with the outer wall of the upper port 2a, then the guide cylinder 6a is connected with the sealing cap 3, the annular step part 6a1 of the guide cylinder 6a presses the sealing plate 6b and the sealing pad 6c on the sealing cap 3, at this time, the guide part 5a of the cutter rod 5 is located above the guide cylinder 6a, the assembly of the perforating tool and the connection of the perforating tool and the tee pipe fitting 2 are completed, then the connecting part 2d of the tee pipe fitting 2 is electrically fused into the pipeline 2a, the pipeline 2 is connected with the upper port 2a through the upper port 2a, the sealing plate 7 c is connected with the sealing pad 2b, the sealing pad 7 c is rotated, the sealing plate 7 is gradually rotates the sealing plate 2a is rotated, and the sealing plate 7 is rotated to the sealing plate 2a is simultaneously, and the sealing plate 7 is simultaneously is rotated to the sealing plate 2a, the sealing plate is connected with the sealing plate 2b and the sealing plate 2 is gradually rotates the sealing plate 2, and the sealing plate 2 is simultaneously, and the sealing handle 7 is gradually sealed with the sealing handle 7 and the sealing plate 2 is rotated, and the sealing handle is connected with the sealing handle 2 and the sealing plate and the sealing tool is gradually and the sealing handle 3 and the sealing tool is turned.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a pipeline trompil instrument, includes drilling sword (4), its characterized in that, the bottom of drilling sword (4) has that the upper end is sealed and is tubular brill section of thick bamboo portion (4 a), and the roof of brill section of thick bamboo portion (4 a) is the back taper form, the top of drilling sword (4) is provided with cutter arbor (5), and the cover is equipped with sealed cap (3) and is provided with sealing structure (6) that are used for sealing its junction between the two on cutter arbor (5), and through rotating cutter arbor (5) so that brill section of thick bamboo portion (4 a) can reciprocate for sealed cap (3).

2. The pipe perforating tool as claimed in claim 1, wherein the sealing structure (6) comprises a guide cylinder (6 a) arranged at the top of the sealing cap (3) and a sealing plate (6 b) and a sealing pad (6 c) which are sequentially sleeved on the cutter bar (5), the sealing plate (6 b) is in clearance fit with the cutter bar (5), the sealing pad (6 c) is in clearance fit with the cutter bar (5), an annular step part (6 a 1) is arranged on the inner wall of the guide cylinder (6 a), and the annular step part (6 a 1) presses the sealing plate (6 b) and the sealing pad (6 c) against the sealing cap (3).

3. A pipe perforating tool as claimed in claim 2, characterized in that the cutter bar (5) is provided with a guiding part (5 a) and a handle (7) which is convenient to rotate, the outer wall of the guiding part (5 a) is provided with external threads, and the inner wall of the guiding cylinder (6 a) is provided with internal threads which are matched with the external threads of the guiding part (5 a).

4. A pipe perforating tool as claimed in claim 2, characterized in that the inner wall of the sealing cap (3) is provided with an internal thread and a sealing ring (11), and that the sealing ring (11) is located above the internal thread.

5. A pipe perforating tool as claimed in any one of claims 1-4, characterized in that the drilling tool (4) is provided with a mounting groove (4 b), the mounting groove (4 b) is arranged opposite to the inner cavity of the drilling barrel part (4 a) up and down, the tool bar (5) of the drilling tool (4) is inserted on the bottom wall of the groove of the mounting groove (4 b), the tool bar (5) of the drilling tool (4) is provided with a clamp spring (9) and a connecting sleeve (10) which is arranged above the clamp spring (9) and provided with a flange (10 a), the connecting sleeve (10) is in threaded connection with the groove wall of the mounting groove (4 b) and the flange (10 a) of the connecting sleeve (10) is abutted on the notch edge of the mounting groove (4 b).

6. A pipe perforating tool as claimed in any one of claims 1-4, characterized in that the bottom end of the drill barrel (4 a) is provided with a plurality of saw-tooth-shaped blade blocks (4 a 1), and the blade blocks (4 a 1) enable the opening of the drill barrel (4 a) to be reduced, and the thickness of the blade blocks (4 a 1) is gradually reduced from one end to the other end.

7. A pipe perforating tool as claimed in claim 6, characterized in that a bevel post groove (4 a 2) is provided between two adjacent blade blocks (4 a 1).